Students Arrive Randomly at the Help Desk of the Computer

question 99

Multiple Choice

Students arrive randomly at the help desk of the computer lab. There is only one service agent, and the time required for inquiry varies from student to student. Arrival rates have been found to follow the Poisson distribution, and the service times follow the negative exponential distribution. The average arrival rate is 12 students per hour, and the average service rate is 20 students per hour. How many students, on average, will be waiting in line at any one time?

• A) 0.9 students
• B) 1.5 students
• C) 3 students
• D) 4 students
• E) 36 students

Recognize how intelligence types vary and affect problem-solving strategies.

Describe the relationship between intelligence, memory, and other cognitive functions across the lifespan.

Explain how aging and cognitive processes interact, particularly in attention and memory tasks.

Identify factors affecting cognitive performance, including sleep, stress, and expertise.

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Definitions:

Drug Addiction

A chronic disease characterized by compulsive or uncontrollable drug seeking and use despite harmful consequences and changes in the brain.

Behavior Therapy

A type of psychotherapy that focuses on modifying undesirable behaviors through conditioning techniques.

Modeling

Learning through the observation and imitation of others.

Observation

The process of carefully watching, listening, and noting phenomena as they occur naturally without any manipulation by the observer.